#include "stdio.h"

int main(){
    int a[15][15],i,j,k,p,n;
    p=1;
    while(p==1){
        scanf("%d",&n);
        if((n!=0)&&(n<=15)&&(n%2!=0))
            p=0;
    }
    for(i=1;i<=n;i++){
        for(j=1;j<=n;j++){
            a[i][j]=0;
        }
    }
    j=n/2+1;
    a[1][j]=1;
    for(k=2;k<n*n;k++){
        i=i-1;
        j=j+1;
        if((i<1)&&(j>n)){
            i=i+2;
            j=j-1;
        } else{
            if(j<1) i=n;
            if(j>n) j=1;
        }
        if(a[i][j]==0) a[i][j]=k;
        else {
            i=i+2;
            j=j-1;
            a[i][j]=k;
        }
    }
    for(i=1;i<=n;i++){
        for(j=1;j<=n;j++){
            printf("%5d",a[i][j]);
        }
        printf("\n");
    }
    return 0;
}